Vue3实现简约型侧边栏的示例代码

目录1、首先配置好路由地址2、然后实现页面入口3、然后实现AAAAAA和BBBBBB页面

有时遇到一些需求，需要实现左边侧边栏为父级菜单，右侧内容区的顶部为子级菜单，以及其底部为子级菜单对应的模块内容。

如此，简单实现如下：

1、首先配置好路由地址

【如：/src/router/index.ts】

import { createRouter, createWebHashHistory, RouteRecordRaw } from 'vue-router'const routes: Array<RouteRecordRaw> = [ { path: '/', redirect: '/xxxxxx' }, { path: '/xxxxxx', name: '帅龍之龍', component: () => import('@/views/XXXXXX/index.vue'), children: [ {path: '/xxxxxx/aaaaaa',name: '赤龍神帝',components: { AAAAAA: () => import('@/views/XXXXXX/AAAAAA/index.vue') },children: [] }, {path: '/xxxxxx/bbbbbb',name: '待定栏目',components: { BBBBBB: () => import('@/views/XXXXXX/BBBBBB/index.vue') },children: [], }, ] }]const router = createRouter({ history: createWebHashHistory(), routes})export default router2、然后实现页面入口

【如：/src/views/XXXXXX/index.vue】

<template> <div class='index-page'> <div class='index-page-navbar'> <div :class='activePage == 'AAAAAA' ? 'index-page-navbar-active' : ''' @click='handleNavbarItemClick('AAAAAA')'><span>赤龍神帝</span> </div> <div :class='activePage == 'BBBBBB' ? 'index-page-navbar-active' : ''' @click='handleNavbarItemClick('BBBBBB')'><span>待定栏目</span> </div> </div> <div class='index-page-content'> <router-view name='AAAAAA' v-if='activePage == 'AAAAAA'' /> <router-view name='BBBBBB' v-if='activePage == 'BBBBBB'' /> </div> </div></template><script>export default { data () { return { // 当前激活的页面 activePage: '', } }, watch: { }, created() { this.init() }, mounted() { // 设置页面标题 document.title = '帅龍之龍' }, methods: { /** * 获取初始化参数 */ async init() { this.activePage = 'AAAAAA' const query = this.$route.query this.handleMatchRouter(this.activePage) }, /** * 激活页面句柄 */ handleActivePageChange(activePage) { // 点击 el-tab 页面时，将 this.$route.query 置为 {} this.$route.query = {} this.handleMatchRouter(activePage) }, /** * 激活页面句柄 */ handleMatchRouter(activePage) { const path = this.$route.path const b = path.toLowerCase().includes(activePage.toLowerCase()) if (activePage == 'AAAAAA') {if (!b) { this.$router.push({ path: '/xxxxxx/aaaaaa', query: this.$route.query, }) } } else if (activePage == 'BBBBBB') {if (!b) { this.$router.push({ path: '/xxxxxx/bbbbbb', query: this.$route.query, })} } }, /** * 点击侧边导航栏 */ handleNavbarItemClick(item) { this.activePage = item this.$route.query = {} this.handleMatchRouter(item) }, }}</script><style lang='less' scoped> .index-page { display: flex; flex-direction: row; width: 100%; height: 100%; position: relative; background-color: #fff; .index-page-navbar { flex: none; width: 40px; height: 100%; border-right: 1px solid #dfe1e6; .index-page-navbar-item {display: grid;width: 100%;height: 150px;background-color: #fff;border-bottom: 1px solid #dfe1e6;writing-mode: tb-rl;text-align: center;align-items: center;user-select: none;cursor: pointer;transition: all ease 0.3s;span { color: #303133; font-size: 14px; letter-spacing: 1.5px;} } .index-page-navbar-active {background-color: #5e7ce0;span { color: #fff;} } } .index-page-content { flex: 1; position: relative; height: 100%; margin: 0; padding: 0; overflow: hidden; } }</style>3、然后实现AAAAAA和BBBBBB页面

【如：/src/views/XXXXXX/AAAAAA/index.vue /src/views/XXXXXX/BBBBBB/index.vue】

<template> <div style='width: 100%; height: 100%; display: grid; align-items: center; text-align: center'> <span style='color: #303133; font-size: 14px;'>HelloWorld!...</span> </div></template>

4、效果如下：~

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